{"id":"CVE-2013-1912","aliases":["DEBIAN-CVE-2013-1912","DSA-2711-1","EUVD-2013-1906","GHSA-xgv2-5whc-jjqv","RHSA-2013:0729","RHSA-2013:0868","openSUSE-SU-2024:10114-1"],"status":"published","title":"Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive...","description":"Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive is enabled, using HTTP keywords in TCP inspection rules, and running with rewrite rules that appends to requests, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted pipelined HTTP requests that prevent request realignment from occurring.","severity":{"version":"2.0","score":5.1,"vector":"AV:N/AC:H/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.05569,"percentile":0.92933,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2013-04-10T15:00:00Z","modified":"2026-09-01T20:03:15Z","fixes":[{"ecosystem":"Debian:12","package":"haproxy","fixed_in":["1.4.23-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"haproxy","fixed_in":["1.4.23-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"haproxy","fixed_in":["1.4.23-1"],"sources":["osv"]},{"ecosystem":"Red Hat:openshift:1::el6","package":"haproxy","fixed_in":["0:1.4.22-5.el6op"],"sources":["osv"]},{"ecosystem":"Red Hat:openshift:1::el6","package":"haproxy-debuginfo","fixed_in":["0:1.4.22-5.el6op"],"sources":["osv"]},{"ecosystem":"Red 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Hat:enterprise_linux:6::server","package":"haproxy-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.4.22-4.el6_4"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"haproxy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.0-1.1"}]}],"bundled":5}],"products":[{"vendor":"haproxy","product":"haproxy"}],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103794.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0868.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory"]},{"url":"http://secunia.com/advisories/52725","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103730.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://www.debian.org/security/2013/dsa-2711","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103770.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/58820","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.ubuntu.com/usn/USN-1800-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2013/04/03/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0729.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1912","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xgv2-5whc-jjqv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-1912","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:0729","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=947581","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_0729.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-1912","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-1912","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:0868","tags":["advisory"]},{"url":"https://access.redhat.com/support/offerings/techpreview/","tags":["article"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_0868.json","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2391","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1912","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-2175","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-6269","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3281","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2013-1912","description":"Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive is enabled, using HTTP keywords in TCP inspection rules, and running with rewrite rules that appends to requests, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted pipelined HTTP requests that prevent request realignment from occurring.","status":"published","published":"2013-04-10T15:00:00Z","modified":"2024-08-06T15:20:37.131Z","updated_at":"2026-11-02T14:34:58.882751Z"}],"euvd":[{"id":"EUVD-2013-1906","description":"Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive is enabled, using HTTP keywords in TCP inspection rules, and running with rewrite rules that appends to requests, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted pipelined HTTP requests that prevent request realignment from occurring.","status":"published","published":"2013-04-10T15:00:00Z","modified":"2024-08-06T15:20:37Z","updated_at":"2026-11-03T01:56:40.540333Z"}],"ghsa":[{"id":"GHSA-xgv2-5whc-jjqv","title":"Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive...","description":"Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive is enabled, using HTTP keywords in TCP inspection rules, and running with rewrite rules that appends to requests, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted pipelined HTTP requests that prevent request realignment from occurring.","status":"published","published":"2022-05-17T04:56:51Z","modified":"2023-01-28T05:02:51Z","cwes":["CWE-119"],"updated_at":"2026-11-02T14:43:51.685777Z"}],"nvd":[{"id":"CVE-2013-1912","description":"Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive 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occurring.","status":"published","published":"2013-04-10T15:55:15Z","modified":"2026-04-10T03:36:01.251698Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2013-1912","description":"Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive is enabled, using HTTP keywords in TCP inspection rules, and running with rewrite rules that appends to requests, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via crafted pipelined HTTP requests that prevent request realignment from occurring.","status":"published","published":"2013-04-10T15:55:15.283Z","modified":"2026-09-01T20:03:15.135106038Z","updated_at":"2026-11-02T15:45:25.514579Z"},{"id":"DSA-2711-1","title":"haproxy - several","status":"published","published":"2013-06-19T00:00:00Z","modified":"2026-03-09T01:20:18.301947Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"openSUSE-SU-2024:10114-1","title":"haproxy-1.7.0-1.1 on GA 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